| Issue |
152315
|
| Summary |
[Headers][X86] Allow SSE41/AVX2/AVX512F/AVX512BW integer extension intrinsics to be used in constexpr
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
RKSimon
|
All of these intrinsics wrap __builtin_convertvector/__builtin_shufflevector which can already be used in constexpr
```
_mm_cvtepi8_epi16 _mm_cvtepu8_epi16
_mm_cvtepi8_epi32 _mm_cvtepu8_epi32
_mm_cvtepi8_epi64 _mm_cvtepu8_epi64
_mm_cvtepi16_epi32 _mm_cvtepu16_epi32
_mm_cvtepi16_epi64 _mm_cvtepu16_epi64
_mm_cvtepi32_epi64 _mm_cvtepu32_epi64
_mm256_cvtepi8_epi16 _mm256_cvtepu8_epi16
_mm256_cvtepi8_epi32 _mm256_cvtepu8_epi32
_mm256_cvtepi8_epi64 _mm256_cvtepu8_epi64
_mm256_cvtepi16_epi32 _mm256_cvtepu16_epi32
_mm256_cvtepi16_epi64 _mm256_cvtepu16_epi64
_mm256_cvtepi32_epi64 _mm256_cvtepu32_epi64
_mm512_cvtepi8_epi16 _mm512_cvtepu8_epi16
_mm512_cvtepi8_epi32 _mm512_cvtepu8_epi32
_mm512_cvtepi8_epi64 _mm512_cvtepu8_epi64
_mm512_cvtepi16_epi32 _mm512_cvtepu16_epi32
_mm512_cvtepi16_epi64 _mm512_cvtepu16_epi64
_mm512_cvtepi32_epi64 _mm512_cvtepu32_epi64
```
(ignore the AVX512 mask/maskz variants for now)
You can use #152288 for reference
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